java -Xmx6000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data ./data --generate-csv --csv-dir ../../../releaseScripts/default/UAutomizer-linux/csv -tc ../../../trunk/examples/toolchains/AutomizerCTransformed.xml -s ../../../trunk/examples/settings/ai/eq-bench/svcomp-DerefFreeMemtrack-32bit-Automizer_Fixed_noBitfields+AI_EQ_SS.epf -i ../../../trunk/examples/svcomp/ldv-memsafety/memset_true-valid-memsafety_true-termination.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-35b68b2 [2018-04-07 02:28:12,892 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-04-07 02:28:12,894 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-04-07 02:28:12,907 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-04-07 02:28:12,907 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-04-07 02:28:12,908 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-04-07 02:28:12,909 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-04-07 02:28:12,910 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-04-07 02:28:12,912 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-04-07 02:28:12,913 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-04-07 02:28:12,914 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-04-07 02:28:12,914 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-04-07 02:28:12,915 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-04-07 02:28:12,917 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-04-07 02:28:12,918 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-04-07 02:28:12,920 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-04-07 02:28:12,921 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-04-07 02:28:12,923 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-04-07 02:28:12,924 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-04-07 02:28:12,925 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-04-07 02:28:12,928 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-04-07 02:28:12,928 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-04-07 02:28:12,928 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-04-07 02:28:12,929 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-04-07 02:28:12,930 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-04-07 02:28:12,931 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-04-07 02:28:12,932 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-04-07 02:28:12,932 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-04-07 02:28:12,933 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-04-07 02:28:12,934 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-04-07 02:28:12,934 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-04-07 02:28:12,934 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/eq-bench/svcomp-DerefFreeMemtrack-32bit-Automizer_Fixed_noBitfields+AI_EQ_SS.epf [2018-04-07 02:28:12,954 INFO L110 SettingsManager]: Loading preferences was successful [2018-04-07 02:28:12,954 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-04-07 02:28:12,954 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-04-07 02:28:12,955 INFO L133 SettingsManager]: * ultimate.logging.details=de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation=DEBUG; [2018-04-07 02:28:12,955 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-04-07 02:28:12,956 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-04-07 02:28:12,956 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-04-07 02:28:12,956 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-04-07 02:28:12,956 INFO L133 SettingsManager]: * Parallel states before merging=1 [2018-04-07 02:28:12,956 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-04-07 02:28:12,957 INFO L131 SettingsManager]: Preferences of LTL2Aut differ from their defaults: [2018-04-07 02:28:12,957 INFO L133 SettingsManager]: * Property to check=[] a a: x > 42 [2018-04-07 02:28:12,957 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-04-07 02:28:12,957 INFO L133 SettingsManager]: * sizeof long=4 [2018-04-07 02:28:12,958 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-04-07 02:28:12,958 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-04-07 02:28:12,958 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-04-07 02:28:12,958 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-04-07 02:28:12,958 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-04-07 02:28:12,959 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-04-07 02:28:12,959 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-04-07 02:28:12,959 INFO L133 SettingsManager]: * sizeof long double=12 [2018-04-07 02:28:12,959 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-04-07 02:28:12,959 INFO L133 SettingsManager]: * Size of a code block=SingleStatement [2018-04-07 02:28:12,960 INFO L133 SettingsManager]: * Add additional assume for each assert=false [2018-04-07 02:28:12,960 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-04-07 02:28:12,960 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-04-07 02:28:12,960 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-04-07 02:28:12,960 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-04-07 02:28:12,961 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-04-07 02:28:12,961 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-04-07 02:28:12,961 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-04-07 02:28:12,961 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-07 02:28:12,962 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-04-07 02:28:12,962 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-04-07 02:28:12,963 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-04-07 02:28:12,963 INFO L131 SettingsManager]: Preferences of Boogie Printer differ from their defaults: [2018-04-07 02:28:12,963 INFO L133 SettingsManager]: * Dump path:=C:\Users\alex\AppData\Local\Temp\ [2018-04-07 02:28:12,999 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-04-07 02:28:13,012 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully (re)initialized [2018-04-07 02:28:13,017 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-04-07 02:28:13,019 INFO L271 PluginConnector]: Initializing CDTParser... [2018-04-07 02:28:13,019 INFO L276 PluginConnector]: CDTParser initialized [2018-04-07 02:28:13,020 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-memsafety/memset_true-valid-memsafety_true-termination.c [2018-04-07 02:28:13,403 INFO L225 CDTParser]: Created temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAGfe08173a8 [2018-04-07 02:28:13,531 INFO L287 CDTParser]: IsIndexed: true [2018-04-07 02:28:13,531 INFO L288 CDTParser]: Found 1 translation units. [2018-04-07 02:28:13,531 INFO L168 CDTParser]: Scanning memset_true-valid-memsafety_true-termination.c [2018-04-07 02:28:13,533 INFO L210 ultiparseSymbolTable]: Include resolver: [2018-04-07 02:28:13,533 INFO L215 ultiparseSymbolTable]: [2018-04-07 02:28:13,533 INFO L218 ultiparseSymbolTable]: Function table: [2018-04-07 02:28:13,533 INFO L221 ultiparseSymbolTable]: Function definition of null ('main') in memset_true-valid-memsafety_true-termination.c [2018-04-07 02:28:13,533 INFO L227 ultiparseSymbolTable]: Global variable table: [2018-04-07 02:28:13,533 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fmemset_true_valid_memsafety_true_termination_c____u32 in memset_true-valid-memsafety_true-termination.c [2018-04-07 02:28:13,533 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fmemset_true_valid_memsafety_true_termination_c__size_t in memset_true-valid-memsafety_true-termination.c [2018-04-07 02:28:13,534 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fmemset_true_valid_memsafety_true_termination_c____kernel_size_t in memset_true-valid-memsafety_true-termination.c [2018-04-07 02:28:13,551 INFO L330 CDTParser]: Deleted temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAGfe08173a8 [2018-04-07 02:28:13,557 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-04-07 02:28:13,559 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-04-07 02:28:13,560 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-04-07 02:28:13,560 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-04-07 02:28:13,566 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-04-07 02:28:13,567 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.04 02:28:13" (1/1) ... [2018-04-07 02:28:13,569 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d087ed6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.04 02:28:13, skipping insertion in model container [2018-04-07 02:28:13,570 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.04 02:28:13" (1/1) ... [2018-04-07 02:28:13,585 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-07 02:28:13,599 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-07 02:28:13,730 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-07 02:28:13,755 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-07 02:28:13,761 INFO L100 SccComputation]: Graph consists of 0 InCaSumBalls and 7 non ball SCCs. Number of states in SCCs 7. [2018-04-07 02:28:13,768 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.04 02:28:13 WrapperNode [2018-04-07 02:28:13,769 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-04-07 02:28:13,769 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-04-07 02:28:13,769 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-04-07 02:28:13,769 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-04-07 02:28:13,779 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.04 02:28:13" (1/1) ... [2018-04-07 02:28:13,780 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.04 02:28:13" (1/1) ... [2018-04-07 02:28:13,787 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.04 02:28:13" (1/1) ... [2018-04-07 02:28:13,787 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.04 02:28:13" (1/1) ... [2018-04-07 02:28:13,789 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.04 02:28:13" (1/1) ... [2018-04-07 02:28:13,794 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.04 02:28:13" (1/1) ... [2018-04-07 02:28:13,796 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.04 02:28:13" (1/1) ... [2018-04-07 02:28:13,797 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-04-07 02:28:13,798 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-04-07 02:28:13,798 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-04-07 02:28:13,798 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-04-07 02:28:13,799 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.04 02:28:13" (1/1) ... No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-04-07 02:28:13,864 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-04-07 02:28:13,864 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-04-07 02:28:13,865 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-04-07 02:28:13,865 INFO L136 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2018-04-07 02:28:13,865 INFO L128 BoogieDeclarations]: Found specification of procedure memset [2018-04-07 02:28:13,865 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-04-07 02:28:13,865 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-04-07 02:28:13,865 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2018-04-07 02:28:13,866 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-04-07 02:28:13,866 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-04-07 02:28:13,866 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-04-07 02:28:14,033 WARN L446 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-04-07 02:28:14,091 INFO L259 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-04-07 02:28:14,092 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.04 02:28:14 BoogieIcfgContainer [2018-04-07 02:28:14,092 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-04-07 02:28:14,092 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2018-04-07 02:28:14,092 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2018-04-07 02:28:14,093 INFO L276 PluginConnector]: IcfgTransformer initialized [2018-04-07 02:28:14,096 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.04 02:28:14" (1/1) ... [2018-04-07 02:28:14,103 INFO L139 apSepIcfgTransformer]: HeapSepIcfgTransformer: Starting heap partitioning [2018-04-07 02:28:14,103 INFO L140 apSepIcfgTransformer]: To be partitioned heap arrays found [] [2018-04-07 02:28:14,116 INFO L299 apSepIcfgTransformer]: Heap separator: starting memloc-array-style preprocessing [2018-04-07 02:28:14,125 INFO L100 SccComputation]: Graph consists of 0 InCaSumBalls and 7 non ball SCCs. Number of states in SCCs 7. [2018-04-07 02:28:14,126 INFO L332 apSepIcfgTransformer]: finished MemlocArrayUpdater, created 0 location literals (each corresponds to one heap write) [2018-04-07 02:28:14,130 INFO L100 SccComputation]: Graph consists of 0 InCaSumBalls and 7 non ball SCCs. Number of states in SCCs 7. [2018-04-07 02:28:14,133 INFO L412 apSepIcfgTransformer]: finished preprocessing for the equality analysis [2018-04-07 02:28:14,134 DEBUG L416 apSepIcfgTransformer]: storeIndexInfoToLocLiteral: Map: [2018-04-07 02:28:14,135 DEBUG L418 apSepIcfgTransformer]: edgeToIndexToStoreIndexInfo: NestedMap2: [2018-04-07 02:28:14,193 INFO L101 FixpointEngine]: Starting fixpoint engine with domain VPDomain (maxUnwinding=3, maxParallelStates=1) [2018-04-07 02:28:14,609 INFO L314 AbstractInterpreter]: Visited 27 different actions 32 times. Merged at 4 different actions 4 times. Never widened. Found 2 fixpoints after 2 different actions. Largest state had 15 variables. [2018-04-07 02:28:14,615 INFO L424 apSepIcfgTransformer]: finished equality analysis [2018-04-07 02:28:14,624 INFO L434 apSepIcfgTransformer]: Finished pre analysis before partitioning [2018-04-07 02:28:14,624 INFO L435 apSepIcfgTransformer]: array groups: Set: [2018-04-07 02:28:14,624 INFO L437 apSepIcfgTransformer]: select infos: Set: [2018-04-07 02:28:14,626 INFO L330 HeapPartitionManager]: partitioning result: [2018-04-07 02:28:14,628 INFO L131 ransitionTransformer]: executing heap partitioning transformation [2018-04-07 02:28:14,632 DEBUG L280 ransitionTransformer]: transformed transition [2018-04-07 02:28:14,632 DEBUG L281 ransitionTransformer]: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] [2018-04-07 02:28:14,632 DEBUG L284 ransitionTransformer]: transformula unchanged [2018-04-07 02:28:14,633 DEBUG L310 ransitionTransformer]: [2018-04-07 02:28:14,633 DEBUG L280 ransitionTransformer]: transformed transition [2018-04-07 02:28:14,633 DEBUG L281 ransitionTransformer]: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] [2018-04-07 02:28:14,633 DEBUG L284 ransitionTransformer]: transformula unchanged [2018-04-07 02:28:14,633 DEBUG L310 ransitionTransformer]: [2018-04-07 02:28:14,634 DEBUG L280 ransitionTransformer]: transformed transition [2018-04-07 02:28:14,634 DEBUG L281 ransitionTransformer]: Formula: (and (= |v_#NULL.offset_1| 0) (= |v_#NULL.base_1| 0)) InVars {} OutVars{#NULL.offset=|v_#NULL.offset_1|, #NULL.base=|v_#NULL.base_1|} AuxVars[] AssignedVars[#NULL.offset, #NULL.base] [2018-04-07 02:28:14,634 DEBUG L284 ransitionTransformer]: transformula unchanged [2018-04-07 02:28:14,634 DEBUG L310 ransitionTransformer]: [2018-04-07 02:28:14,635 DEBUG L280 ransitionTransformer]: transformed transition [2018-04-07 02:28:14,635 DEBUG L281 ransitionTransformer]: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] [2018-04-07 02:28:14,635 DEBUG L284 ransitionTransformer]: transformula unchanged [2018-04-07 02:28:14,635 DEBUG L310 ransitionTransformer]: [2018-04-07 02:28:14,636 DEBUG L280 ransitionTransformer]: transformed transition [2018-04-07 02:28:14,636 DEBUG L281 ransitionTransformer]: Formula: (and (not (= |v_main_~#cstats~0.base_1| 0)) (= (store |v_#length_5| |v_main_~#cstats~0.base_1| 80) |v_#length_4|) (= |v_#valid_8| (store |v_#valid_9| |v_main_~#cstats~0.base_1| 1)) (= 0 (select |v_#valid_9| |v_main_~#cstats~0.base_1|)) (= |v_main_~#cstats~0.offset_1| 0)) InVars {#length=|v_#length_5|, #valid=|v_#valid_9|} OutVars{main_~#cstats~0.base=|v_main_~#cstats~0.base_1|, #length=|v_#length_4|, main_~#cstats~0.offset=|v_main_~#cstats~0.offset_1|, #valid=|v_#valid_8|} AuxVars[] AssignedVars[#valid, main_~#cstats~0.base, #length, main_~#cstats~0.offset] [2018-04-07 02:28:14,636 DEBUG L284 ransitionTransformer]: transformula unchanged [2018-04-07 02:28:14,637 DEBUG L310 ransitionTransformer]: [2018-04-07 02:28:14,637 DEBUG L280 ransitionTransformer]: transformed transition [2018-04-07 02:28:14,637 DEBUG L281 ransitionTransformer]: Formula: (= |v_#valid_1| (store |v_#valid_2| 0 0)) InVars {#valid=|v_#valid_2|} OutVars{#valid=|v_#valid_1|} AuxVars[] AssignedVars[#valid] [2018-04-07 02:28:14,637 DEBUG L284 ransitionTransformer]: transformula unchanged [2018-04-07 02:28:14,637 DEBUG L310 ransitionTransformer]: [2018-04-07 02:28:14,638 DEBUG L280 ransitionTransformer]: transformed transition [2018-04-07 02:28:14,639 DEBUG L281 ransitionTransformer]: Formula: (not (= 1 (select |v_#valid_11| |v_main_~#cstats~0.base_3|))) InVars {main_~#cstats~0.base=|v_main_~#cstats~0.base_3|, #valid=|v_#valid_11|} OutVars{main_~#cstats~0.base=|v_main_~#cstats~0.base_3|, #valid=|v_#valid_11|} AuxVars[] AssignedVars[] [2018-04-07 02:28:14,639 DEBUG L284 ransitionTransformer]: transformula unchanged [2018-04-07 02:28:14,639 DEBUG L310 ransitionTransformer]: [2018-04-07 02:28:14,639 DEBUG L280 ransitionTransformer]: transformed transition [2018-04-07 02:28:14,640 DEBUG L281 ransitionTransformer]: Formula: (or (not (<= (+ |v_main_~#cstats~0.offset_3| 80) (select |v_#length_7| |v_main_~#cstats~0.base_4|))) (not (<= 0 |v_main_~#cstats~0.offset_3|))) InVars {main_~#cstats~0.base=|v_main_~#cstats~0.base_4|, #length=|v_#length_7|, main_~#cstats~0.offset=|v_main_~#cstats~0.offset_3|} OutVars{main_~#cstats~0.base=|v_main_~#cstats~0.base_4|, #length=|v_#length_7|, main_~#cstats~0.offset=|v_main_~#cstats~0.offset_3|} AuxVars[] AssignedVars[] [2018-04-07 02:28:14,640 DEBUG L284 ransitionTransformer]: transformula unchanged [2018-04-07 02:28:14,640 DEBUG L310 ransitionTransformer]: [2018-04-07 02:28:14,640 DEBUG L280 ransitionTransformer]: transformed transition [2018-04-07 02:28:14,641 DEBUG L281 ransitionTransformer]: Formula: (and (= |v_#Ultimate.C_memset_#valueInParam_1| 0) (= |v_#Ultimate.C_memset_#amountInParam_1| 80) (= |v_#Ultimate.C_memset_#ptr.offsetInParam_1| |v_main_~#cstats~0.offset_6|) (= |v_#Ultimate.C_memset_#ptr.baseInParam_1| |v_main_~#cstats~0.base_7|)) InVars {main_~#cstats~0.base=|v_main_~#cstats~0.base_7|, main_~#cstats~0.offset=|v_main_~#cstats~0.offset_6|} OutVars{#Ultimate.C_memset_#amount=|v_#Ultimate.C_memset_#amountInParam_1|, #Ultimate.C_memset_#value=|v_#Ultimate.C_memset_#valueInParam_1|, #Ultimate.C_memset_#ptr.base=|v_#Ultimate.C_memset_#ptr.baseInParam_1|, #Ultimate.C_memset_#ptr.offset=|v_#Ultimate.C_memset_#ptr.offsetInParam_1|} AuxVars[] AssignedVars[#Ultimate.C_memset_#amount, #Ultimate.C_memset_#value, #Ultimate.C_memset_#ptr.base, #Ultimate.C_memset_#ptr.offset] [2018-04-07 02:28:14,641 DEBUG L284 ransitionTransformer]: transformula unchanged [2018-04-07 02:28:14,641 DEBUG L310 ransitionTransformer]: [2018-04-07 02:28:14,641 DEBUG L280 ransitionTransformer]: transformed transition [2018-04-07 02:28:14,642 DEBUG L281 ransitionTransformer]: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] [2018-04-07 02:28:14,643 DEBUG L284 ransitionTransformer]: transformula unchanged [2018-04-07 02:28:14,643 DEBUG L310 ransitionTransformer]: [2018-04-07 02:28:14,644 DEBUG L280 ransitionTransformer]: transformed transition [2018-04-07 02:28:14,644 DEBUG L281 ransitionTransformer]: Formula: true InVars {} OutVars{main_#t~memset3.offset=|v_main_#t~memset3.offset_2|, main_#t~memset3.base=|v_main_#t~memset3.base_2|} AuxVars[] AssignedVars[main_#t~memset3.offset, main_#t~memset3.base] [2018-04-07 02:28:14,644 DEBUG L284 ransitionTransformer]: transformula unchanged [2018-04-07 02:28:14,644 DEBUG L310 ransitionTransformer]: [2018-04-07 02:28:14,644 DEBUG L280 ransitionTransformer]: transformed transition [2018-04-07 02:28:14,645 DEBUG L281 ransitionTransformer]: Formula: (= 1 (select |v_#valid_3| |v_#Ultimate.C_memset_#ptr.base_1|)) InVars {#Ultimate.C_memset_#ptr.base=|v_#Ultimate.C_memset_#ptr.base_1|, #valid=|v_#valid_3|} OutVars{#Ultimate.C_memset_#ptr.base=|v_#Ultimate.C_memset_#ptr.base_1|, #valid=|v_#valid_3|} AuxVars[] AssignedVars[] [2018-04-07 02:28:14,645 DEBUG L284 ransitionTransformer]: transformula unchanged [2018-04-07 02:28:14,645 DEBUG L310 ransitionTransformer]: [2018-04-07 02:28:14,645 DEBUG L280 ransitionTransformer]: transformed transition [2018-04-07 02:28:14,645 DEBUG L281 ransitionTransformer]: Formula: (= |v_main_#res_1| 0) InVars {} OutVars{main_#res=|v_main_#res_1|} AuxVars[] AssignedVars[main_#res] [2018-04-07 02:28:14,646 DEBUG L284 ransitionTransformer]: transformula unchanged [2018-04-07 02:28:14,646 DEBUG L310 ransitionTransformer]: [2018-04-07 02:28:14,646 DEBUG L280 ransitionTransformer]: transformed transition [2018-04-07 02:28:14,646 DEBUG L281 ransitionTransformer]: Formula: (and (<= (+ |v_#Ultimate.C_memset_#ptr.offset_1| |v_#Ultimate.C_memset_#amount_1|) (select |v_#length_1| |v_#Ultimate.C_memset_#ptr.base_2|)) (<= 0 |v_#Ultimate.C_memset_#ptr.offset_1|)) InVars {#length=|v_#length_1|, #Ultimate.C_memset_#amount=|v_#Ultimate.C_memset_#amount_1|, #Ultimate.C_memset_#ptr.base=|v_#Ultimate.C_memset_#ptr.base_2|, #Ultimate.C_memset_#ptr.offset=|v_#Ultimate.C_memset_#ptr.offset_1|} OutVars{#length=|v_#length_1|, #Ultimate.C_memset_#amount=|v_#Ultimate.C_memset_#amount_1|, #Ultimate.C_memset_#ptr.base=|v_#Ultimate.C_memset_#ptr.base_2|, #Ultimate.C_memset_#ptr.offset=|v_#Ultimate.C_memset_#ptr.offset_1|} AuxVars[] AssignedVars[] [2018-04-07 02:28:14,647 DEBUG L284 ransitionTransformer]: transformula unchanged [2018-04-07 02:28:14,650 DEBUG L310 ransitionTransformer]: [2018-04-07 02:28:14,650 DEBUG L280 ransitionTransformer]: transformed transition [2018-04-07 02:28:14,651 DEBUG L281 ransitionTransformer]: Formula: (= |v_#valid_12| (store |v_#valid_13| |v_main_~#cstats~0.base_5| 0)) InVars {main_~#cstats~0.base=|v_main_~#cstats~0.base_5|, #valid=|v_#valid_13|} OutVars{main_~#cstats~0.base=|v_main_~#cstats~0.base_5|, #valid=|v_#valid_12|} AuxVars[] AssignedVars[#valid] [2018-04-07 02:28:14,651 DEBUG L284 ransitionTransformer]: transformula unchanged [2018-04-07 02:28:14,651 DEBUG L310 ransitionTransformer]: [2018-04-07 02:28:14,651 DEBUG L280 ransitionTransformer]: transformed transition [2018-04-07 02:28:14,651 DEBUG L281 ransitionTransformer]: Formula: (= |v_#Ultimate.C_memset_#t~loopctr5_1| 0) InVars {} OutVars{#Ultimate.C_memset_#t~loopctr5=|v_#Ultimate.C_memset_#t~loopctr5_1|} AuxVars[] AssignedVars[#Ultimate.C_memset_#t~loopctr5] [2018-04-07 02:28:14,652 DEBUG L284 ransitionTransformer]: transformula unchanged [2018-04-07 02:28:14,652 DEBUG L310 ransitionTransformer]: [2018-04-07 02:28:14,652 DEBUG L280 ransitionTransformer]: transformed transition [2018-04-07 02:28:14,652 DEBUG L281 ransitionTransformer]: Formula: true InVars {} OutVars{main_~#cstats~0.base=|v_main_~#cstats~0.base_6|, main_~#cstats~0.offset=|v_main_~#cstats~0.offset_5|} AuxVars[] AssignedVars[main_~#cstats~0.base, main_~#cstats~0.offset] [2018-04-07 02:28:14,652 DEBUG L284 ransitionTransformer]: transformula unchanged [2018-04-07 02:28:14,653 DEBUG L310 ransitionTransformer]: [2018-04-07 02:28:14,653 DEBUG L280 ransitionTransformer]: transformed transition [2018-04-07 02:28:14,653 DEBUG L281 ransitionTransformer]: Formula: (< |v_#Ultimate.C_memset_#t~loopctr5_2| |v_#Ultimate.C_memset_#amount_2|) InVars {#Ultimate.C_memset_#t~loopctr5=|v_#Ultimate.C_memset_#t~loopctr5_2|, #Ultimate.C_memset_#amount=|v_#Ultimate.C_memset_#amount_2|} OutVars{#Ultimate.C_memset_#t~loopctr5=|v_#Ultimate.C_memset_#t~loopctr5_2|, #Ultimate.C_memset_#amount=|v_#Ultimate.C_memset_#amount_2|} AuxVars[] AssignedVars[] [2018-04-07 02:28:14,653 DEBUG L284 ransitionTransformer]: transformula unchanged [2018-04-07 02:28:14,653 DEBUG L310 ransitionTransformer]: [2018-04-07 02:28:14,655 DEBUG L280 ransitionTransformer]: transformed transition [2018-04-07 02:28:14,655 DEBUG L281 ransitionTransformer]: Formula: (not (< |v_#Ultimate.C_memset_#t~loopctr5_5| |v_#Ultimate.C_memset_#amount_3|)) InVars {#Ultimate.C_memset_#t~loopctr5=|v_#Ultimate.C_memset_#t~loopctr5_5|, #Ultimate.C_memset_#amount=|v_#Ultimate.C_memset_#amount_3|} OutVars{#Ultimate.C_memset_#t~loopctr5=|v_#Ultimate.C_memset_#t~loopctr5_5|, #Ultimate.C_memset_#amount=|v_#Ultimate.C_memset_#amount_3|} AuxVars[] AssignedVars[] [2018-04-07 02:28:14,655 DEBUG L284 ransitionTransformer]: transformula unchanged [2018-04-07 02:28:14,655 DEBUG L310 ransitionTransformer]: [2018-04-07 02:28:14,656 DEBUG L280 ransitionTransformer]: transformed transition [2018-04-07 02:28:14,656 DEBUG L281 ransitionTransformer]: Formula: (= |v_#valid_14| |old(#valid)|) InVars {#valid=|v_#valid_14|, old(#valid)=|old(#valid)|} OutVars{#valid=|v_#valid_14|, old(#valid)=|old(#valid)|} AuxVars[] AssignedVars[] [2018-04-07 02:28:14,656 DEBUG L284 ransitionTransformer]: transformula unchanged [2018-04-07 02:28:14,656 DEBUG L310 ransitionTransformer]: [2018-04-07 02:28:14,656 DEBUG L280 ransitionTransformer]: transformed transition [2018-04-07 02:28:14,657 DEBUG L281 ransitionTransformer]: Formula: (not (= |v_#valid_15| |old(#valid)|)) InVars {#valid=|v_#valid_15|, old(#valid)=|old(#valid)|} OutVars{#valid=|v_#valid_15|, old(#valid)=|old(#valid)|} AuxVars[] AssignedVars[] [2018-04-07 02:28:14,657 DEBUG L284 ransitionTransformer]: transformula unchanged [2018-04-07 02:28:14,657 DEBUG L310 ransitionTransformer]: [2018-04-07 02:28:14,657 DEBUG L280 ransitionTransformer]: transformed transition [2018-04-07 02:28:14,657 DEBUG L281 ransitionTransformer]: Formula: (= |v_#Ultimate.C_memset_#t~loopctr5_3| (+ |v_#Ultimate.C_memset_#t~loopctr5_4| 1)) InVars {#Ultimate.C_memset_#t~loopctr5=|v_#Ultimate.C_memset_#t~loopctr5_4|} OutVars{#Ultimate.C_memset_#t~loopctr5=|v_#Ultimate.C_memset_#t~loopctr5_3|} AuxVars[] AssignedVars[#Ultimate.C_memset_#t~loopctr5] [2018-04-07 02:28:14,660 DEBUG L284 ransitionTransformer]: transformula unchanged [2018-04-07 02:28:14,660 DEBUG L310 ransitionTransformer]: [2018-04-07 02:28:14,660 DEBUG L280 ransitionTransformer]: transformed transition [2018-04-07 02:28:14,661 DEBUG L281 ransitionTransformer]: Formula: (and (= |v_#Ultimate.C_memset_#res.base_1| |v_#Ultimate.C_memset_#ptr.base_3|) (= |v_#Ultimate.C_memset_#ptr.offset_2| |v_#Ultimate.C_memset_#res.offset_1|)) InVars {#Ultimate.C_memset_#res.base=|v_#Ultimate.C_memset_#res.base_1|, #Ultimate.C_memset_#res.offset=|v_#Ultimate.C_memset_#res.offset_1|, #Ultimate.C_memset_#ptr.base=|v_#Ultimate.C_memset_#ptr.base_3|, #Ultimate.C_memset_#ptr.offset=|v_#Ultimate.C_memset_#ptr.offset_2|} OutVars{#Ultimate.C_memset_#res.base=|v_#Ultimate.C_memset_#res.base_1|, #Ultimate.C_memset_#res.offset=|v_#Ultimate.C_memset_#res.offset_1|, #Ultimate.C_memset_#ptr.base=|v_#Ultimate.C_memset_#ptr.base_3|, #Ultimate.C_memset_#ptr.offset=|v_#Ultimate.C_memset_#ptr.offset_2|} AuxVars[] AssignedVars[] [2018-04-07 02:28:14,661 DEBUG L284 ransitionTransformer]: transformula unchanged [2018-04-07 02:28:14,661 DEBUG L310 ransitionTransformer]: [2018-04-07 02:28:14,661 DEBUG L280 ransitionTransformer]: transformed transition [2018-04-07 02:28:14,662 DEBUG L281 ransitionTransformer]: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] [2018-04-07 02:28:14,662 DEBUG L284 ransitionTransformer]: transformula unchanged [2018-04-07 02:28:14,662 DEBUG L310 ransitionTransformer]: [2018-04-07 02:28:14,662 DEBUG L280 ransitionTransformer]: transformed transition [2018-04-07 02:28:14,662 DEBUG L281 ransitionTransformer]: Formula: (= |v_ULTIMATE.start_#t~ret4_2| |v_main_#resOutParam_1|) InVars {main_#res=|v_main_#resOutParam_1|} OutVars{ULTIMATE.start_#t~ret4=|v_ULTIMATE.start_#t~ret4_2|} AuxVars[] AssignedVars[ULTIMATE.start_#t~ret4] [2018-04-07 02:28:14,664 DEBUG L284 ransitionTransformer]: transformula unchanged [2018-04-07 02:28:14,665 DEBUG L310 ransitionTransformer]: [2018-04-07 02:28:14,665 DEBUG L280 ransitionTransformer]: transformed transition [2018-04-07 02:28:14,665 DEBUG L281 ransitionTransformer]: Formula: (and (= |v_main_#t~memset3.offset_3| |v_#Ultimate.C_memset_#res.offsetOutParam_1|) (= |v_main_#t~memset3.base_3| |v_#Ultimate.C_memset_#res.baseOutParam_1|)) InVars {#Ultimate.C_memset_#res.base=|v_#Ultimate.C_memset_#res.baseOutParam_1|, #Ultimate.C_memset_#res.offset=|v_#Ultimate.C_memset_#res.offsetOutParam_1|} OutVars{main_#t~memset3.offset=|v_main_#t~memset3.offset_3|, main_#t~memset3.base=|v_main_#t~memset3.base_3|} AuxVars[] AssignedVars[main_#t~memset3.offset, main_#t~memset3.base] [2018-04-07 02:28:14,665 DEBUG L284 ransitionTransformer]: transformula unchanged [2018-04-07 02:28:14,666 DEBUG L310 ransitionTransformer]: [2018-04-07 02:28:14,666 INFO L100 SccComputation]: Graph consists of 0 InCaSumBalls and 7 non ball SCCs. Number of states in SCCs 7. [2018-04-07 02:28:14,667 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 07.04 02:28:14 BasicIcfg [2018-04-07 02:28:14,667 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2018-04-07 02:28:14,671 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-04-07 02:28:14,671 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-04-07 02:28:14,674 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-04-07 02:28:14,675 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.04 02:28:13" (1/4) ... [2018-04-07 02:28:14,676 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7524924c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.04 02:28:14, skipping insertion in model container [2018-04-07 02:28:14,676 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.04 02:28:13" (2/4) ... [2018-04-07 02:28:14,676 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7524924c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.04 02:28:14, skipping insertion in model container [2018-04-07 02:28:14,676 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.04 02:28:14" (3/4) ... [2018-04-07 02:28:14,677 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7524924c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.04 02:28:14, skipping insertion in model container [2018-04-07 02:28:14,677 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 07.04 02:28:14" (4/4) ... [2018-04-07 02:28:14,678 INFO L107 eAbstractionObserver]: Analyzing ICFG memPartitionedIcfg [2018-04-07 02:28:14,688 INFO L131 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-04-07 02:28:14,697 INFO L143 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2018-04-07 02:28:14,731 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-04-07 02:28:14,732 INFO L369 AbstractCegarLoop]: Interprodecural is true [2018-04-07 02:28:14,732 INFO L370 AbstractCegarLoop]: Hoare is true [2018-04-07 02:28:14,732 INFO L371 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-04-07 02:28:14,732 INFO L372 AbstractCegarLoop]: Backedges is TWOTRACK [2018-04-07 02:28:14,732 INFO L373 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-04-07 02:28:14,733 INFO L374 AbstractCegarLoop]: Difference is false [2018-04-07 02:28:14,733 INFO L375 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-04-07 02:28:14,733 INFO L380 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-04-07 02:28:14,734 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-04-07 02:28:14,746 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states. [2018-04-07 02:28:14,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-04-07 02:28:14,750 INFO L347 BasicCegarLoop]: Found error trace [2018-04-07 02:28:14,751 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-04-07 02:28:14,751 INFO L408 AbstractCegarLoop]: === Iteration 1 === [mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-07 02:28:14,754 INFO L82 PathProgramCache]: Analyzing trace with hash -639658125, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-07 02:28:14,799 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-07 02:28:14,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-07 02:28:14,839 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-07 02:28:14,878 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-07 02:28:14,879 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-07 02:28:14,889 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-07 02:28:14,889 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-04-07 02:28:14,903 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-07 02:28:14,903 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-07 02:28:14,916 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-07 02:28:14,940 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-07 02:28:14,940 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2018-04-07 02:28:14,943 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-04-07 02:28:14,954 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-04-07 02:28:14,954 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-04-07 02:28:14,957 INFO L87 Difference]: Start difference. First operand 26 states. Second operand 3 states. [2018-04-07 02:28:15,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-07 02:28:15,027 INFO L93 Difference]: Finished difference Result 26 states and 26 transitions. [2018-04-07 02:28:15,027 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-04-07 02:28:15,028 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2018-04-07 02:28:15,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-07 02:28:15,037 INFO L225 Difference]: With dead ends: 26 [2018-04-07 02:28:15,038 INFO L226 Difference]: Without dead ends: 22 [2018-04-07 02:28:15,041 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-04-07 02:28:15,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2018-04-07 02:28:15,068 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22. [2018-04-07 02:28:15,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2018-04-07 02:28:15,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 22 transitions. [2018-04-07 02:28:15,071 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 22 transitions. Word has length 8 [2018-04-07 02:28:15,071 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-07 02:28:15,071 INFO L459 AbstractCegarLoop]: Abstraction has 22 states and 22 transitions. [2018-04-07 02:28:15,072 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-04-07 02:28:15,072 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 22 transitions. [2018-04-07 02:28:15,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-04-07 02:28:15,072 INFO L347 BasicCegarLoop]: Found error trace [2018-04-07 02:28:15,072 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-04-07 02:28:15,072 INFO L408 AbstractCegarLoop]: === Iteration 2 === [mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-07 02:28:15,073 INFO L82 PathProgramCache]: Analyzing trace with hash -639658124, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-07 02:28:15,079 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-07 02:28:15,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-07 02:28:15,091 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-07 02:28:15,101 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-07 02:28:15,101 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-07 02:28:15,110 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-07 02:28:15,110 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-04-07 02:28:15,127 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-07 02:28:15,127 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-07 02:28:15,188 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-07 02:28:15,209 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-07 02:28:15,209 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2018-04-07 02:28:15,211 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-07 02:28:15,211 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-07 02:28:15,211 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-04-07 02:28:15,211 INFO L87 Difference]: Start difference. First operand 22 states and 22 transitions. Second operand 4 states. [2018-04-07 02:28:15,244 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-07 02:28:15,244 INFO L93 Difference]: Finished difference Result 22 states and 22 transitions. [2018-04-07 02:28:15,245 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-04-07 02:28:15,245 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 8 [2018-04-07 02:28:15,245 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-07 02:28:15,246 INFO L225 Difference]: With dead ends: 22 [2018-04-07 02:28:15,246 INFO L226 Difference]: Without dead ends: 21 [2018-04-07 02:28:15,247 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-04-07 02:28:15,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2018-04-07 02:28:15,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2018-04-07 02:28:15,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2018-04-07 02:28:15,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 21 transitions. [2018-04-07 02:28:15,254 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 21 transitions. Word has length 8 [2018-04-07 02:28:15,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-07 02:28:15,255 INFO L459 AbstractCegarLoop]: Abstraction has 21 states and 21 transitions. [2018-04-07 02:28:15,255 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-07 02:28:15,255 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 21 transitions. [2018-04-07 02:28:15,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-04-07 02:28:15,256 INFO L347 BasicCegarLoop]: Found error trace [2018-04-07 02:28:15,256 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-07 02:28:15,256 INFO L408 AbstractCegarLoop]: === Iteration 3 === [mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-07 02:28:15,256 INFO L82 PathProgramCache]: Analyzing trace with hash 1331501896, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-07 02:28:15,264 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-07 02:28:15,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-07 02:28:15,280 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-07 02:28:15,294 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-07 02:28:15,295 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-07 02:28:15,352 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-07 02:28:15,374 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-07 02:28:15,375 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2018-04-07 02:28:15,375 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-04-07 02:28:15,375 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-04-07 02:28:15,375 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-04-07 02:28:15,376 INFO L87 Difference]: Start difference. First operand 21 states and 21 transitions. Second operand 6 states. [2018-04-07 02:28:15,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-07 02:28:15,411 INFO L93 Difference]: Finished difference Result 34 states and 35 transitions. [2018-04-07 02:28:15,412 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-04-07 02:28:15,412 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 19 [2018-04-07 02:28:15,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-07 02:28:15,413 INFO L225 Difference]: With dead ends: 34 [2018-04-07 02:28:15,413 INFO L226 Difference]: Without dead ends: 24 [2018-04-07 02:28:15,414 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 32 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2018-04-07 02:28:15,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2018-04-07 02:28:15,416 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 24. [2018-04-07 02:28:15,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2018-04-07 02:28:15,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 24 transitions. [2018-04-07 02:28:15,417 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 24 transitions. Word has length 19 [2018-04-07 02:28:15,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-07 02:28:15,418 INFO L459 AbstractCegarLoop]: Abstraction has 24 states and 24 transitions. [2018-04-07 02:28:15,418 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-04-07 02:28:15,418 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 24 transitions. [2018-04-07 02:28:15,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-04-07 02:28:15,419 INFO L347 BasicCegarLoop]: Found error trace [2018-04-07 02:28:15,419 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-07 02:28:15,419 INFO L408 AbstractCegarLoop]: === Iteration 4 === [mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-07 02:28:15,419 INFO L82 PathProgramCache]: Analyzing trace with hash 516113744, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-07 02:28:15,430 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-07 02:28:15,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-07 02:28:15,449 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-07 02:28:15,493 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-07 02:28:15,494 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-07 02:28:15,598 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-07 02:28:15,619 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-07 02:28:15,620 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2018-04-07 02:28:15,620 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-04-07 02:28:15,620 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-04-07 02:28:15,620 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2018-04-07 02:28:15,621 INFO L87 Difference]: Start difference. First operand 24 states and 24 transitions. Second operand 10 states. [2018-04-07 02:28:15,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-07 02:28:15,695 INFO L93 Difference]: Finished difference Result 42 states and 45 transitions. [2018-04-07 02:28:15,695 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-04-07 02:28:15,696 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 23 [2018-04-07 02:28:15,696 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-07 02:28:15,697 INFO L225 Difference]: With dead ends: 42 [2018-04-07 02:28:15,697 INFO L226 Difference]: Without dead ends: 32 [2018-04-07 02:28:15,697 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 36 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=63, Unknown=0, NotChecked=0, Total=110 [2018-04-07 02:28:15,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2018-04-07 02:28:15,700 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 32. [2018-04-07 02:28:15,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2018-04-07 02:28:15,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 32 transitions. [2018-04-07 02:28:15,701 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 32 transitions. Word has length 23 [2018-04-07 02:28:15,701 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-07 02:28:15,702 INFO L459 AbstractCegarLoop]: Abstraction has 32 states and 32 transitions. [2018-04-07 02:28:15,702 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-04-07 02:28:15,702 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 32 transitions. [2018-04-07 02:28:15,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-04-07 02:28:15,702 INFO L347 BasicCegarLoop]: Found error trace [2018-04-07 02:28:15,703 INFO L355 BasicCegarLoop]: trace histogram [6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-07 02:28:15,703 INFO L408 AbstractCegarLoop]: === Iteration 5 === [mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-07 02:28:15,703 INFO L82 PathProgramCache]: Analyzing trace with hash 20237664, now seen corresponding path program 2 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-07 02:28:15,709 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-07 02:28:15,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-07 02:28:15,728 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-07 02:28:15,884 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-07 02:28:15,884 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-07 02:28:16,122 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-07 02:28:16,157 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-07 02:28:16,157 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 18 [2018-04-07 02:28:16,157 INFO L442 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-04-07 02:28:16,158 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-04-07 02:28:16,158 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=139, Invalid=167, Unknown=0, NotChecked=0, Total=306 [2018-04-07 02:28:16,158 INFO L87 Difference]: Start difference. First operand 32 states and 32 transitions. Second operand 18 states. [2018-04-07 02:28:16,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-07 02:28:16,304 INFO L93 Difference]: Finished difference Result 58 states and 65 transitions. [2018-04-07 02:28:16,308 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-04-07 02:28:16,308 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 31 [2018-04-07 02:28:16,309 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-07 02:28:16,310 INFO L225 Difference]: With dead ends: 58 [2018-04-07 02:28:16,310 INFO L226 Difference]: Without dead ends: 48 [2018-04-07 02:28:16,310 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 44 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=151, Invalid=191, Unknown=0, NotChecked=0, Total=342 [2018-04-07 02:28:16,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2018-04-07 02:28:16,315 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 48. [2018-04-07 02:28:16,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2018-04-07 02:28:16,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 48 transitions. [2018-04-07 02:28:16,318 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 48 transitions. Word has length 31 [2018-04-07 02:28:16,318 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-07 02:28:16,319 INFO L459 AbstractCegarLoop]: Abstraction has 48 states and 48 transitions. [2018-04-07 02:28:16,319 INFO L460 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-04-07 02:28:16,319 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 48 transitions. [2018-04-07 02:28:16,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-04-07 02:28:16,320 INFO L347 BasicCegarLoop]: Found error trace [2018-04-07 02:28:16,320 INFO L355 BasicCegarLoop]: trace histogram [14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-07 02:28:16,320 INFO L408 AbstractCegarLoop]: === Iteration 6 === [mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-07 02:28:16,320 INFO L82 PathProgramCache]: Analyzing trace with hash -1427853952, now seen corresponding path program 3 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-07 02:28:16,341 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-07 02:28:16,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-07 02:28:16,366 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-07 02:28:16,591 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 0 proven. 196 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-07 02:28:16,591 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-07 02:28:17,034 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 0 proven. 196 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-07 02:28:17,058 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-07 02:28:17,058 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18] total 34 [2018-04-07 02:28:17,058 INFO L442 AbstractCegarLoop]: Interpolant automaton has 34 states [2018-04-07 02:28:17,059 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2018-04-07 02:28:17,059 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=531, Invalid=591, Unknown=0, NotChecked=0, Total=1122 [2018-04-07 02:28:17,059 INFO L87 Difference]: Start difference. First operand 48 states and 48 transitions. Second operand 34 states. [2018-04-07 02:28:17,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-07 02:28:17,192 INFO L93 Difference]: Finished difference Result 90 states and 105 transitions. [2018-04-07 02:28:17,192 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2018-04-07 02:28:17,192 INFO L78 Accepts]: Start accepts. Automaton has 34 states. Word has length 47 [2018-04-07 02:28:17,193 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-07 02:28:17,194 INFO L225 Difference]: With dead ends: 90 [2018-04-07 02:28:17,194 INFO L226 Difference]: Without dead ends: 80 [2018-04-07 02:28:17,194 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 60 SyntacticMatches, 1 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=551, Invalid=639, Unknown=0, NotChecked=0, Total=1190 [2018-04-07 02:28:17,195 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2018-04-07 02:28:17,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 80. [2018-04-07 02:28:17,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 80 states. [2018-04-07 02:28:17,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 80 transitions. [2018-04-07 02:28:17,206 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 80 transitions. Word has length 47 [2018-04-07 02:28:17,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-07 02:28:17,206 INFO L459 AbstractCegarLoop]: Abstraction has 80 states and 80 transitions. [2018-04-07 02:28:17,206 INFO L460 AbstractCegarLoop]: Interpolant automaton has 34 states. [2018-04-07 02:28:17,206 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 80 transitions. [2018-04-07 02:28:17,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2018-04-07 02:28:17,208 INFO L347 BasicCegarLoop]: Found error trace [2018-04-07 02:28:17,208 INFO L355 BasicCegarLoop]: trace histogram [30, 30, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-07 02:28:17,208 INFO L408 AbstractCegarLoop]: === Iteration 7 === [mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-07 02:28:17,208 INFO L82 PathProgramCache]: Analyzing trace with hash 2067246528, now seen corresponding path program 4 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-07 02:28:17,214 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-07 02:28:17,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-07 02:28:17,239 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-07 02:28:17,670 INFO L134 CoverageAnalysis]: Checked inductivity of 900 backedges. 0 proven. 900 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-07 02:28:17,671 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-07 02:28:17,858 WARN L148 SmtUtils]: Spent 120ms on a formula simplification that was a NOOP. DAG size: 98 [2018-04-07 02:28:19,436 INFO L134 CoverageAnalysis]: Checked inductivity of 900 backedges. 0 proven. 900 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-07 02:28:19,473 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-07 02:28:19,474 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [34, 34] total 66 [2018-04-07 02:28:19,474 INFO L442 AbstractCegarLoop]: Interpolant automaton has 66 states [2018-04-07 02:28:19,476 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 66 interpolants. [2018-04-07 02:28:19,478 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=2083, Invalid=2207, Unknown=0, NotChecked=0, Total=4290 [2018-04-07 02:28:19,478 INFO L87 Difference]: Start difference. First operand 80 states and 80 transitions. Second operand 66 states. [2018-04-07 02:28:19,876 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-07 02:28:19,876 INFO L93 Difference]: Finished difference Result 154 states and 185 transitions. [2018-04-07 02:28:19,876 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2018-04-07 02:28:19,876 INFO L78 Accepts]: Start accepts. Automaton has 66 states. Word has length 79 [2018-04-07 02:28:19,877 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-07 02:28:19,879 INFO L225 Difference]: With dead ends: 154 [2018-04-07 02:28:19,879 INFO L226 Difference]: Without dead ends: 144 [2018-04-07 02:28:19,881 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 158 GetRequests, 92 SyntacticMatches, 1 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=2119, Invalid=2303, Unknown=0, NotChecked=0, Total=4422 [2018-04-07 02:28:19,881 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2018-04-07 02:28:19,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 144. [2018-04-07 02:28:19,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 144 states. [2018-04-07 02:28:19,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 144 transitions. [2018-04-07 02:28:19,896 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 144 transitions. Word has length 79 [2018-04-07 02:28:19,897 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-07 02:28:19,897 INFO L459 AbstractCegarLoop]: Abstraction has 144 states and 144 transitions. [2018-04-07 02:28:19,897 INFO L460 AbstractCegarLoop]: Interpolant automaton has 66 states. [2018-04-07 02:28:19,897 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 144 transitions. [2018-04-07 02:28:19,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2018-04-07 02:28:19,900 INFO L347 BasicCegarLoop]: Found error trace [2018-04-07 02:28:19,900 INFO L355 BasicCegarLoop]: trace histogram [62, 62, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-07 02:28:19,900 INFO L408 AbstractCegarLoop]: === Iteration 8 === [mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-07 02:28:19,901 INFO L82 PathProgramCache]: Analyzing trace with hash -576016832, now seen corresponding path program 5 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-07 02:28:19,908 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-07 02:28:19,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-07 02:28:19,955 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-07 02:28:21,353 INFO L134 CoverageAnalysis]: Checked inductivity of 3844 backedges. 0 proven. 3844 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-07 02:28:21,353 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-07 02:28:21,553 WARN L148 SmtUtils]: Spent 195ms on a formula simplification that was a NOOP. DAG size: 194 [2018-04-07 02:28:21,744 WARN L148 SmtUtils]: Spent 187ms on a formula simplification that was a NOOP. DAG size: 194 [2018-04-07 02:28:25,339 INFO L134 CoverageAnalysis]: Checked inductivity of 3844 backedges. 0 proven. 3844 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-07 02:28:25,361 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-07 02:28:25,361 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [66, 66] total 130 [2018-04-07 02:28:25,362 INFO L442 AbstractCegarLoop]: Interpolant automaton has 130 states [2018-04-07 02:28:25,363 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 130 interpolants. [2018-04-07 02:28:25,366 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7224, Invalid=9546, Unknown=0, NotChecked=0, Total=16770 [2018-04-07 02:28:25,366 INFO L87 Difference]: Start difference. First operand 144 states and 144 transitions. Second operand 130 states. [2018-04-07 02:28:25,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-07 02:28:25,778 INFO L93 Difference]: Finished difference Result 190 states and 207 transitions. [2018-04-07 02:28:25,778 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2018-04-07 02:28:25,779 INFO L78 Accepts]: Start accepts. Automaton has 130 states. Word has length 143 [2018-04-07 02:28:25,779 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-07 02:28:25,780 INFO L225 Difference]: With dead ends: 190 [2018-04-07 02:28:25,781 INFO L226 Difference]: Without dead ends: 180 [2018-04-07 02:28:25,784 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 286 GetRequests, 156 SyntacticMatches, 1 SemanticMatches, 129 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2914 ImplicationChecksByTransitivity, 4.8s TimeCoverageRelationStatistics Valid=7292, Invalid=9738, Unknown=0, NotChecked=0, Total=17030 [2018-04-07 02:28:25,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 180 states. [2018-04-07 02:28:25,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 180 to 180. [2018-04-07 02:28:25,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 180 states. [2018-04-07 02:28:25,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 180 states and 180 transitions. [2018-04-07 02:28:25,804 INFO L78 Accepts]: Start accepts. Automaton has 180 states and 180 transitions. Word has length 143 [2018-04-07 02:28:25,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-07 02:28:25,804 INFO L459 AbstractCegarLoop]: Abstraction has 180 states and 180 transitions. [2018-04-07 02:28:25,805 INFO L460 AbstractCegarLoop]: Interpolant automaton has 130 states. [2018-04-07 02:28:25,805 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 180 transitions. [2018-04-07 02:28:25,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2018-04-07 02:28:25,807 INFO L347 BasicCegarLoop]: Found error trace [2018-04-07 02:28:25,807 INFO L355 BasicCegarLoop]: trace histogram [80, 80, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-07 02:28:25,807 INFO L408 AbstractCegarLoop]: === Iteration 9 === [mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-07 02:28:25,807 INFO L82 PathProgramCache]: Analyzing trace with hash 1665432712, now seen corresponding path program 6 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-07 02:28:25,814 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-07 02:28:25,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-07 02:28:25,852 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-07 02:28:25,873 INFO L700 Elim1Store]: detected not equals via solver [2018-04-07 02:28:25,874 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 5 [2018-04-07 02:28:25,874 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-07 02:28:25,875 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-07 02:28:25,875 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:12, output treesize:5 [2018-04-07 02:28:25,965 WARN L1033 $PredicateComparison]: unable to prove that (exists ((|main_~#cstats~0.base| Int)) (and (= |c_#valid| (store |c_old(#valid)| |main_~#cstats~0.base| 0)) (= 0 (select |c_old(#valid)| |main_~#cstats~0.base|)))) is different from true [2018-04-07 02:28:26,050 INFO L134 CoverageAnalysis]: Checked inductivity of 6400 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6400 trivial. 0 not checked. [2018-04-07 02:28:26,051 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-07 02:28:26,091 WARN L1011 $PredicateComparison]: unable to prove that (forall ((|v_main_~#cstats~0.base_19| Int)) (or (= |c_old(#valid)| (store |c_#valid| |v_main_~#cstats~0.base_19| 0)) (not (= 0 (select |c_#valid| |v_main_~#cstats~0.base_19|))))) is different from false [2018-04-07 02:28:26,108 INFO L134 CoverageAnalysis]: Checked inductivity of 6400 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6400 trivial. 0 not checked. [2018-04-07 02:28:26,129 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-07 02:28:26,130 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5, 4] imperfect sequences [] total 7 [2018-04-07 02:28:26,130 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-04-07 02:28:26,130 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-04-07 02:28:26,130 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=21, Unknown=2, NotChecked=18, Total=56 [2018-04-07 02:28:26,131 INFO L87 Difference]: Start difference. First operand 180 states and 180 transitions. Second operand 8 states. [2018-04-07 02:28:26,139 WARN L1011 $PredicateComparison]: unable to prove that (and (= |c_#valid| |c_old(#valid)|) (forall ((|v_main_~#cstats~0.base_19| Int)) (or (= |c_old(#valid)| (store |c_#valid| |v_main_~#cstats~0.base_19| 0)) (not (= 0 (select |c_#valid| |v_main_~#cstats~0.base_19|)))))) is different from false [2018-04-07 02:28:26,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-07 02:28:26,241 INFO L93 Difference]: Finished difference Result 180 states and 180 transitions. [2018-04-07 02:28:26,241 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-04-07 02:28:26,242 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 179 [2018-04-07 02:28:26,243 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-07 02:28:26,243 INFO L225 Difference]: With dead ends: 180 [2018-04-07 02:28:26,243 INFO L226 Difference]: Without dead ends: 0 [2018-04-07 02:28:26,245 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 361 GetRequests, 350 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 3 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=52, Unknown=3, NotChecked=48, Total=132 [2018-04-07 02:28:26,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-04-07 02:28:26,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-04-07 02:28:26,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-04-07 02:28:26,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-04-07 02:28:26,246 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 179 [2018-04-07 02:28:26,247 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-07 02:28:26,247 INFO L459 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-04-07 02:28:26,247 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-04-07 02:28:26,247 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-04-07 02:28:26,247 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-04-07 02:28:26,252 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-04-07 02:28:26,482 WARN L151 SmtUtils]: Spent 181ms on a formula simplification. DAG size of input: 311 DAG size of output 9 [2018-04-07 02:28:26,614 INFO L416 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2018-04-07 02:28:26,614 INFO L416 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-04-07 02:28:26,614 INFO L412 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-04-07 02:28:26,614 INFO L416 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-04-07 02:28:26,614 INFO L419 ceAbstractionStarter]: At program point #Ultimate.C_memsetENTRY(line -1) the Hoare annotation is: true [2018-04-07 02:28:26,614 INFO L416 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2018-04-07 02:28:26,614 INFO L419 ceAbstractionStarter]: At program point L-1''(line -1) the Hoare annotation is: true [2018-04-07 02:28:26,614 INFO L416 ceAbstractionStarter]: For program point L-1'(line -1) no Hoare annotation was computed. [2018-04-07 02:28:26,614 INFO L416 ceAbstractionStarter]: For program point #Ultimate.C_memsetFINAL(line -1) no Hoare annotation was computed. [2018-04-07 02:28:26,615 INFO L416 ceAbstractionStarter]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2018-04-07 02:28:26,615 INFO L416 ceAbstractionStarter]: For program point #Ultimate.C_memsetEXIT(line -1) no Hoare annotation was computed. [2018-04-07 02:28:26,615 INFO L419 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-04-07 02:28:26,615 INFO L419 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-04-07 02:28:26,615 INFO L416 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-04-07 02:28:26,615 INFO L416 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-04-07 02:28:26,615 INFO L412 ceAbstractionStarter]: At program point mainENTRY(lines 25 29) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-04-07 02:28:26,615 INFO L416 ceAbstractionStarter]: For program point L27(line 27) no Hoare annotation was computed. [2018-04-07 02:28:26,615 INFO L412 ceAbstractionStarter]: At program point L26(line 26) the Hoare annotation is: (and (= 80 (select |#length| |main_~#cstats~0.base|)) (= |#valid| (store |old(#valid)| |main_~#cstats~0.base| 1)) (= 0 (select |old(#valid)| |main_~#cstats~0.base|)) (= 0 |main_~#cstats~0.offset|)) [2018-04-07 02:28:26,616 INFO L416 ceAbstractionStarter]: For program point mainErr1RequiresViolation(line 27) no Hoare annotation was computed. [2018-04-07 02:28:26,616 INFO L416 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2018-04-07 02:28:26,616 INFO L416 ceAbstractionStarter]: For program point L26'(line 26) no Hoare annotation was computed. [2018-04-07 02:28:26,616 INFO L416 ceAbstractionStarter]: For program point L26''(line 26) no Hoare annotation was computed. [2018-04-07 02:28:26,616 INFO L416 ceAbstractionStarter]: For program point mainFINAL(lines 25 29) no Hoare annotation was computed. [2018-04-07 02:28:26,616 INFO L416 ceAbstractionStarter]: For program point mainErr0RequiresViolation(line 27) no Hoare annotation was computed. [2018-04-07 02:28:26,616 INFO L416 ceAbstractionStarter]: For program point mainEXIT(lines 25 29) no Hoare annotation was computed. [2018-04-07 02:28:26,616 INFO L416 ceAbstractionStarter]: For program point mainErr2EnsuresViolationMEMORY_LEAK(lines 25 29) no Hoare annotation was computed. [2018-04-07 02:28:26,620 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.04 02:28:26 BasicIcfg [2018-04-07 02:28:26,620 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-04-07 02:28:26,621 INFO L168 Benchmark]: Toolchain (without parser) took 13064.20 ms. Allocated memory was 304.6 MB in the beginning and 622.9 MB in the end (delta: 318.2 MB). Free memory was 247.5 MB in the beginning and 314.5 MB in the end (delta: -66.9 MB). Peak memory consumption was 251.3 MB. Max. memory is 5.3 GB. [2018-04-07 02:28:26,622 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 304.6 MB. Free memory is still 266.8 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-04-07 02:28:26,623 INFO L168 Benchmark]: CACSL2BoogieTranslator took 208.97 ms. Allocated memory is still 304.6 MB. Free memory was 247.5 MB in the beginning and 237.6 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 5.3 GB. [2018-04-07 02:28:26,623 INFO L168 Benchmark]: Boogie Preprocessor took 28.10 ms. Allocated memory is still 304.6 MB. Free memory was 237.6 MB in the beginning and 236.6 MB in the end (delta: 996.1 kB). Peak memory consumption was 996.1 kB. Max. memory is 5.3 GB. [2018-04-07 02:28:26,624 INFO L168 Benchmark]: RCFGBuilder took 294.29 ms. Allocated memory was 304.6 MB in the beginning and 469.8 MB in the end (delta: 165.2 MB). Free memory was 236.6 MB in the beginning and 440.8 MB in the end (delta: -204.2 MB). Peak memory consumption was 23.0 MB. Max. memory is 5.3 GB. [2018-04-07 02:28:26,624 INFO L168 Benchmark]: IcfgTransformer took 575.29 ms. Allocated memory is still 469.8 MB. Free memory was 440.8 MB in the beginning and 379.9 MB in the end (delta: 60.9 MB). Peak memory consumption was 60.9 MB. Max. memory is 5.3 GB. [2018-04-07 02:28:26,625 INFO L168 Benchmark]: TraceAbstraction took 11949.94 ms. Allocated memory was 469.8 MB in the beginning and 622.9 MB in the end (delta: 153.1 MB). Free memory was 379.9 MB in the beginning and 314.5 MB in the end (delta: 65.4 MB). Peak memory consumption was 218.5 MB. Max. memory is 5.3 GB. [2018-04-07 02:28:26,627 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 304.6 MB. Free memory is still 266.8 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 208.97 ms. Allocated memory is still 304.6 MB. Free memory was 247.5 MB in the beginning and 237.6 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 28.10 ms. Allocated memory is still 304.6 MB. Free memory was 237.6 MB in the beginning and 236.6 MB in the end (delta: 996.1 kB). Peak memory consumption was 996.1 kB. Max. memory is 5.3 GB. * RCFGBuilder took 294.29 ms. Allocated memory was 304.6 MB in the beginning and 469.8 MB in the end (delta: 165.2 MB). Free memory was 236.6 MB in the beginning and 440.8 MB in the end (delta: -204.2 MB). Peak memory consumption was 23.0 MB. Max. memory is 5.3 GB. * IcfgTransformer took 575.29 ms. Allocated memory is still 469.8 MB. Free memory was 440.8 MB in the beginning and 379.9 MB in the end (delta: 60.9 MB). Peak memory consumption was 60.9 MB. Max. memory is 5.3 GB. * TraceAbstraction took 11949.94 ms. Allocated memory was 469.8 MB in the beginning and 622.9 MB in the end (delta: 153.1 MB). Free memory was 379.9 MB in the beginning and 314.5 MB in the end (delta: 65.4 MB). Peak memory consumption was 218.5 MB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - StatisticsResult: ArrayEqualityDomainStatistics #Locations : 25 LocStat_MAX_WEQGRAPH_SIZE : 2 LocStat_MAX_SIZEOF_WEQEDGELABEL : 1 LocStat_NO_SUPPORTING_EQUALITIES : 148 LocStat_NO_SUPPORTING_DISEQUALITIES : 36 LocStat_NO_DISJUNCTIONS : -50 LocStat_MAX_NO_DISJUNCTIONS : -1 #Transitions : 33 TransStat_MAX_WEQGRAPH_SIZE : 2 TransStat_MAX_SIZEOF_WEQEDGELABEL : 1 TransStat_NO_SUPPORTING_EQUALITIES : 35 TransStat_NO_SUPPORTING_DISEQUALITIES : 6 TransStat_NO_DISJUNCTIONS : 34 TransStat_MAX_NO_DISJUNCTIONS : 2 - StatisticsResult: EqConstraintFactoryStatistics CONJOIN_DISJUNCTIVE(MILLISECONDS) : 85.52 RENAME_VARIABLES(MILLISECONDS) : 23.67 UNFREEZE(MILLISECONDS) : 0.00 CONJOIN(MILLISECONDS) : 86.09 PROJECTAWAY(MILLISECONDS) : 159.08 ADD_WEAK_EQUALITY(MILLISECONDS) : 4.80 DISJOIN(MILLISECONDS) : 4.13 RENAME_VARIABLES_DISJUNCTIVE(MILLISECONDS) : 26.72 ADD_EQUALITY(MILLISECONDS) : 6.69 DISJOIN_DISJUNCTIVE(MILLISECONDS) : 0.00 ADD_DISEQUALITY(MILLISECONDS) : 0.14 #CONJOIN_DISJUNCTIVE : 42 #RENAME_VARIABLES : 83 #UNFREEZE : 0 #CONJOIN : 72 #PROJECTAWAY : 84 #ADD_WEAK_EQUALITY : 4 #DISJOIN : 1 #RENAME_VARIABLES_DISJUNCTIVE : 82 #ADD_EQUALITY : 35 #DISJOIN_DISJUNCTIVE : 0 #ADD_DISEQUALITY : 3 - StatisticsResult: WeqCcManagerStatistics FREEZE(MILLISECONDS) : 84.36 ADDNODE(MILLISECONDS) : 0.00 MEET(MILLISECONDS) : 84.44 FILTERREDUNDANT(MILLISECONDS) : 0.00 REPORTWEQ(MILLISECONDS) : 4.74 JOIN(MILLISECONDS) : 3.73 RENAMEVARS(MILLISECONDS) : 22.30 FLATTENLABELS(MILLISECONDS) : 0.00 COPY(MILLISECONDS) : 0.00 ISSTRONGERTHAN(MILLISECONDS) : 16.74 ISLABELSTRONGERTHAN(MILLISECONDS) : 9.35 ISWEQGRAPHSTRONGERTHAN(MILLISECONDS) : 0.02 UNFREEZE(MILLISECONDS) : 6.65 REPORTCONTAINS(MILLISECONDS) : 0.00 PROJECTAWAY(MILLISECONDS) : 147.47 MEETEDGELABELS(MILLISECONDS) : 11.32 REPORTEQUALITY(MILLISECONDS) : 18.22 ADDALLNODES(MILLISECONDS) : 22.90 REPORTDISEQUALITY(MILLISECONDS) : 0.33 WEQGRAPHJOIN(MILLISECONDS) : 1.59 #FREEZE : 219 #ADDNODE : 0 #MEET : 50 #FILTERREDUNDANT : 0 #REPORTWEQ : 4 #JOIN : 1 #RENAMEVARS : 83 #FLATTENLABELS : 0 #COPY : 0 #ISSTRONGERTHAN : 19 #ISLABELSTRONGERTHAN : 344 #ISWEQGRAPHSTRONGERTHAN : 8 #UNFREEZE : 240 #REPORTCONTAINS : 0 #PROJECTAWAY : 107 #MEETEDGELABELS : 83 #REPORTEQUALITY : 243 #ADDALLNODES : 50 #REPORTDISEQUALITY : 48 #WEQGRAPHJOIN : 1 - StatisticsResult: CcManagerStatistics ADDNODE(MILLISECONDS) : 0.00 MEET(MILLISECONDS) : 54.45 REPORT_EQUALITY(MILLISECONDS) : 16.80 FILTERREDUNDANT(MILLISECONDS) : 36.93 ADD_ALL_ELEMENTS(MILLISECONDS) : 6.04 JOIN(MILLISECONDS) : 1.10 ALIGN_ELEMENTS(MILLISECONDS) : 3.65 COPY(MILLISECONDS) : 0.00 REPORT_DISEQUALITY(MILLISECONDS) : 6.59 UNFREEZE(MILLISECONDS) : 0.00 OVERALL(MILLISECONDS) : 96.94 REPORTCONTAINS(MILLISECONDS) : 0.00 IS_STRONGER_THAN_NO_CACHING(MILLISECONDS) : 12.11 REMOVE(MILLISECONDS) : 0.00 IS_STRONGER_THAN_W_CACHING(MILLISECONDS) : 0.00 PROJECT_TO_ELEMENTS(MILLISECONDS) : 26.82 #ADDNODE : 0 #MEET : 242 #REPORT_EQUALITY : 1178 #FILTERREDUNDANT : 1079 #ADD_ALL_ELEMENTS : 307 #JOIN : 1 #ALIGN_ELEMENTS : 32 #COPY : 0 #REPORT_DISEQUALITY : 509 #UNFREEZE : 0 #OVERALL : 4360 #REPORTCONTAINS : 0 #IS_STRONGER_THAN_NO_CACHING : 815 #REMOVE : 0 #IS_STRONGER_THAN_W_CACHING : 0 #PROJECT_TO_ELEMENTS : 197 * Results from de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation: - StatisticsResult: HeapSeparatorStatistics * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 27]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 25]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 27]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 26 locations, 3 error locations. SAFE Result, 11.8s OverallTime, 9 OverallIterations, 80 TraceHistogramMax, 1.4s AutomataDifference, 0.0s DeadEndRemovalTime, 0.3s HoareAnnotationTime, HoareTripleCheckerStatistics: 166 SDtfs, 487 SDslu, 394 SDs, 0 SdLazy, 597 SolverSat, 903 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1075 GetRequests, 797 SyntacticMatches, 7 SemanticMatches, 271 ConstructedPredicates, 3 IntricatePredicates, 0 DeprecatedPredicates, 3023 ImplicationChecksByTransitivity, 8.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=180occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 9 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 7 PreInvPairs, 87 NumberOfFragments, 30 HoareAnnotationTreeSize, 7 FomulaSimplifications, 1644 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 7 FomulaSimplificationsInter, 54 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 9.3s InterpolantComputationTime, 537 NumberOfCodeBlocks, 537 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 1056 ConstructedInterpolants, 169 QuantifiedInterpolants, 536292 SizeOfPredicates, 8 NumberOfNonLiveVariables, 1089 ConjunctsInSsa, 146 ConjunctsInUnsatCore, 18 InterpolantComputations, 8 PerfectInterpolantSequences, 12800/22760 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memset_true-valid-memsafety_true-termination.c_svcomp-DerefFreeMemtrack-32bit-Automizer_Fixed_noBitfields+AI_EQ_SS.epf_AutomizerCTransformed.xml/Csv-Benchmark-0-2018-04-07_02-28-26-664.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memset_true-valid-memsafety_true-termination.c_svcomp-DerefFreeMemtrack-32bit-Automizer_Fixed_noBitfields+AI_EQ_SS.epf_AutomizerCTransformed.xml/Csv-VPDomainBenchmark-0-2018-04-07_02-28-26-664.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memset_true-valid-memsafety_true-termination.c_svcomp-DerefFreeMemtrack-32bit-Automizer_Fixed_noBitfields+AI_EQ_SS.epf_AutomizerCTransformed.xml/Csv-BenchmarkWithCounters-0-2018-04-07_02-28-26-664.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memset_true-valid-memsafety_true-termination.c_svcomp-DerefFreeMemtrack-32bit-Automizer_Fixed_noBitfields+AI_EQ_SS.epf_AutomizerCTransformed.xml/Csv-BenchmarkWithCounters-1-2018-04-07_02-28-26-664.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memset_true-valid-memsafety_true-termination.c_svcomp-DerefFreeMemtrack-32bit-Automizer_Fixed_noBitfields+AI_EQ_SS.epf_AutomizerCTransformed.xml/Csv-BenchmarkWithCounters-2-2018-04-07_02-28-26-664.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memset_true-valid-memsafety_true-termination.c_svcomp-DerefFreeMemtrack-32bit-Automizer_Fixed_noBitfields+AI_EQ_SS.epf_AutomizerCTransformed.xml/Csv-HeapSeparatorBenchmark-0-2018-04-07_02-28-26-664.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memset_true-valid-memsafety_true-termination.c_svcomp-DerefFreeMemtrack-32bit-Automizer_Fixed_noBitfields+AI_EQ_SS.epf_AutomizerCTransformed.xml/Csv-TraceAbstractionBenchmarks-0-2018-04-07_02-28-26-664.csv Received shutdown request...